WebSDR Signal Handbook (for normal use NOT FOR HAM RADIO ONE)

A Handbook for normal user who curious for some signals in WebSDR (uTwente WebSDR is used in this book(?))

YAK-9T Operational Guide

Operation Guideline for YAK-9T in war thunder

A320 CHECKLIST (NOT FOR REAL LIFE USE)

A320 Checklist for aerosoft airbus x